docs: def check_house_number(self, token):
          """
          Attempts to find a house number, generally the first thing in an address. If anything is in front of it,
          we assume it is a building name.
          """
          if self.street and self.house_number is None and re.match(street_num_regex, token.lower()):
              if '/' in token:
                  token = token.split('/')[0]
              if '-' in token:
                  token = token.split('-')[0]
              self.house_number = self._clean(str(token))
              return True
          return False